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Refactor CTimer::Update

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This commit is contained in:
Sergeanur 2021-06-25 02:33:40 +03:00
parent 5c1af537af
commit 1f082a85cb
1 changed files with 84 additions and 57 deletions
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141
src/core/Timer.cpp
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@ -83,14 +83,14 @@ void CTimer::Shutdown(void)
{
;
}
#ifdef FIX_BUGS
void CTimer::Update(void)
{
#ifdef FIX_BUGS
static double frameTimeLogical = 0.0;
static double frameTimeFraction = 0.0;
static double frameTimeFractionScaled = 0.0;
#endif
double frameTime;
double dblUpdInMs;
m_snPreviousTimeInMilliseconds = m_snTimeInMilliseconds;
@ -105,49 +105,100 @@ void CTimer::Update(void)
_oldPerfCounter = pc;
// bugfix from VC
#ifdef FIX_BUGS
float updInCyclesScaled = GetIsPaused() ? updInCycles : updInCycles * ms_fTimeScale;
#else
float updInCyclesScaled = updInCycles * ms_fTimeScale;
frameTime = updInCyclesScaled / (double)_nCyclesPerMS;
dblUpdInMs = (double)updInCycles / (double)_nCyclesPerMS;
}
else
#endif
{
RsTimerType timer = RsTimer();
RsTimerType updInMs = timer - oldPcTimer;
frameTime = (double)updInMs * ms_fTimeScale;
oldPcTimer = timer;
dblUpdInMs = (double)updInMs;
}
// count frames as if we're running at 30 fps
m_LogicalFramesPassed = 0;
frameTimeLogical += dblUpdInMs;
while(frameTimeLogical >= 1000.0 / 30.0) {
frameTimeLogical -= 1000.0 / 30.0;
m_LogicalFramesPassed++;
}
m_LogicalFrameCounter += m_LogicalFramesPassed;
frameTimeFraction += dblUpdInMs;
frameTimeFractionScaled += frameTime;
m_snTimeInMillisecondsPauseMode += uint32(frameTimeFraction);
if ( GetIsPaused() )
ms_fTimeStep = 0.0f;
else
{
m_snTimeInMilliseconds += uint32(frameTimeFractionScaled);
m_snTimeInMillisecondsNonClipped += uint32(frameTimeFractionScaled);
ms_fTimeStep = frameTime / 1000.0f * 50.0f;
}
frameTimeFraction -= uint32(frameTimeFraction);
frameTimeFractionScaled -= uint32(frameTimeFractionScaled);
if ( ms_fTimeStep < 0.01f && !GetIsPaused() )
ms_fTimeStep = 0.01f;
ms_fTimeStepNonClipped = ms_fTimeStep;
if ( !CRecordDataForGame::IsPlayingBack() )
{
ms_fTimeStep = Min(3.0f, ms_fTimeStep);
if ( (m_snTimeInMilliseconds - m_snPreviousTimeInMilliseconds) > 60 )
m_snTimeInMilliseconds = m_snPreviousTimeInMilliseconds + 60;
}
if ( CRecordDataForChase::IsRecording() )
{
ms_fTimeStep = 1.0f;
m_snTimeInMilliseconds = m_snPreviousTimeInMilliseconds + 16;
}
m_FrameCounter++;
}
#else
void CTimer::Update(void)
{
m_snPreviousTimeInMilliseconds = m_snTimeInMilliseconds;
#ifdef _WIN32
if ( (double)_nCyclesPerMS != 0.0 )
{
LARGE_INTEGER pc;
QueryPerformanceCounter(&pc);
int32 updInCycles = (pc.LowPart - _oldPerfCounter.LowPart); // & 0x7FFFFFFF; pointless
_oldPerfCounter = pc;
float updInCyclesScaled = updInCycles * ms_fTimeScale;
double frameTime = updInCyclesScaled / (double)_nCyclesPerMS;
#ifdef FIX_BUGS
// count frames as if we're running at 30 fps
m_LogicalFramesPassed = 0;
frameTimeLogical += ((double)updInCycles / (double)_nCyclesPerMS);
while (frameTimeLogical >= 1000.0 / 30.0) {
frameTimeLogical -= 1000.0 / 30.0;
m_LogicalFramesPassed++;
}
m_LogicalFrameCounter += m_LogicalFramesPassed;
frameTimeFraction += (double)updInCycles / (double)_nCyclesPerMS;
frameTimeFractionScaled += frameTime;
m_snTimeInMillisecondsPauseMode += uint32(frameTimeFraction);
#else
m_snTimeInMillisecondsPauseMode = m_snTimeInMillisecondsPauseMode + frameTime;
#endif
if ( GetIsPaused() )
ms_fTimeStep = 0.0f;
else
{
#ifdef FIX_BUGS
m_snTimeInMilliseconds += uint32(frameTimeFractionScaled);
m_snTimeInMillisecondsNonClipped += uint32(frameTimeFractionScaled);
#else
m_snTimeInMilliseconds = m_snTimeInMilliseconds + frameTime;
m_snTimeInMillisecondsNonClipped = m_snTimeInMillisecondsNonClipped + frameTime;
#endif
ms_fTimeStep = frameTime / 1000.0f * 50.0f;
}
#ifdef FIX_BUGS
frameTimeFraction -= uint32(frameTimeFraction);
frameTimeFractionScaled -= uint32(frameTimeFractionScaled);
#endif
}
else
#endif
@ -160,41 +211,16 @@ void CTimer::Update(void)
oldPcTimer = timer;
#ifdef FIX_BUGS
// count frames as if we're running at 30 fps
m_LogicalFramesPassed = 0;
frameTimeLogical += (double)updInMs;
while(frameTimeLogical >= 1000.0 / 30.0) {
frameTimeLogical -= 1000.0 / 30.0;
m_LogicalFramesPassed++;
}
m_LogicalFrameCounter += m_LogicalFramesPassed;
frameTimeFraction += (double)updInMs;
frameTimeFractionScaled += frameTime;
m_snTimeInMillisecondsPauseMode += uint32(frameTimeFraction);
#else
m_snTimeInMillisecondsPauseMode = m_snTimeInMillisecondsPauseMode + frameTime;
#endif
if ( GetIsPaused() )
ms_fTimeStep = 0.0f;
else
{
#ifdef FIX_BUGS
m_snTimeInMilliseconds += uint32(frameTimeFractionScaled);
m_snTimeInMillisecondsNonClipped += uint32(frameTimeFractionScaled);
#else
m_snTimeInMilliseconds = m_snTimeInMilliseconds + frameTime;
m_snTimeInMillisecondsNonClipped = m_snTimeInMillisecondsNonClipped + frameTime;
#endif
ms_fTimeStep = frameTime / 1000.0f * 50.0f;
}
#ifdef FIX_BUGS
frameTimeFraction -= uint32(frameTimeFraction);
frameTimeFractionScaled -= uint32(frameTimeFractionScaled);
#endif
}
if ( ms_fTimeStep < 0.01f && !GetIsPaused() )
@ -218,6 +244,7 @@ void CTimer::Update(void)
m_FrameCounter++;
}
#endif
void CTimer::Suspend(void)
{